A zoo euthanized a “beloved” North American river otter after her health declined due to her age, Oregon zookeepers said.

Tilly, a river otter, came to the Oregon Zoo in 2009 as an injured and orphaned pup. She birthed four pups while at the zoo.

The Oregon Zoo mourns the loss of Tilly, a 16-year-old North American river otter, who was humanely euthanized due to ...

Tilly, a 16-year-old river otter at the Oregon Zoo known for being "Mom of the Year" and a cameo on the NBC show "30 Rock," died April 30.

The Oregon Zoo is mourning the loss of Tilly, the oldest member of its North American river otter family, who was humanely ...

It was a somber day at the Oregon Zoo on Wednesday when the zoo announced the death of its beloved otter ‘Tilly’.

MADISON, Wis. -- The Henry Vilas Zoo recently welcomed two new members to its family. The zoo announced Wednesday that two North American river otter pups, female Ginger and male Wasabi, were born on ...

SUAMICO (WLUK) -- After nearly a month on the run, the NEW Zoo in Suamico remains optimistic that escaped river otter Louie will return home. On March 20, during Winter Storm Ezra, the NEW Zoo's ...

Louie may be wandering a bit farther because it’s otter breeding season. However, the zoo said that he’s “not all that far away.” North American river otters are native to Wisconsin ...